1、 IEC 62733 Edition 1.0 2015-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Programmable components in electronic lamp controlgear General and safety requirements Composants programmables dans les appareillages lectroniques de lampes Exigences gnrales et exigences de scurit IEC 62733:2015-05(en-fr) T
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19、 vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62733 Edition 1.0 2015-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Programmable components in electronic lamp controlgear General and safety requirements Composants program
20、mables dans les appareillages lectroniques de lampes Exigences gnrales et exigences de scurit INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.140.99 ISBN 978-2-8322-2668-1 Registered trademark of the International Electrotechnical Commission Marque dpose d
21、e la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 62733:2015 IEC 2015 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Sc
22、ope 7 2 Normative references 7 3 Terms and definitions 7 4 General requirements 10 5 Risk assessment . 11 5.1 General . 11 5.2 Specification of tolerable risk 11 5.3 Documentation 11 6 Requirements for abnormal operating and fault conditions . 12 6.1 Abnormal operating and fault conditions in the ap
23、plication of the electronic lamp controlgear . 12 6.2 Fault conditions for the programmable component 12 7 Requirements for software . 13 8 Requirements for EMC immunity 13 Annex A (normative) Software evaluation . 15 A.1 General . 15 A.2 Protective programmable components using software 15 A.3 Term
24、s and definitions 15 A.4 Requirements for the architecture . 22 A.5 Measures to avoid errors 30 Annex B (informative) FTA and FMEA analysis 34 B.1 FTA results . 34 B.2 FMEA results 35 Annex C (informative) Guidance on the identification of a protective programmable component 37 Annex D (normative) R
25、isk classification . 38 D.1 General . 38 D.2 Frequency of occurrence. 38 D.3 Risk severity . 38 D.4 Classification of risks 39 Bibliography 40 Figure B.1 Example of a fault tree diagram 35 Table A.1 General fault/error conditions . 24 Table A.2 Specific fault/error conditions 26 Table A.3 Semi-forma
26、l methods . 31 Table A.4 Software architecture specification . 31 Table A.5 Module design specification . 32 Table A.6 Design and coding standards . 33 Table A.7 Software safety validation 33 Table D.1 Frequency definition and categorization (from IEC 61508-5:2010 Annex C) 38 IEC 62733:2015 IEC 2015
27、 3 Table D.2 Risk severity definitions (from IEC 61508-5:2010, Annex C) 38 Table D.3 Safety risk classification 39 4 IEC 62733:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PROGRAMMABLE COMPONENTS IN ELECTRONIC LAMP CONTROLGEAR GENERAL AND SAFETY REQUIREMENTS FOREWORD 1) The Internationa
28、l Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic f
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38、ts of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62733 has been prepared by subcommittee 34C: Auxiliaries for lamps, of IEC technical committee 34: Lamps and related equipment.
39、The text of this standard is based on the following documents: FDIS Report on voting 34C/1140/FDIS 34C/1156/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the
40、 ISO/IEC Directives, Part 2. NOTE In this standard the following print types are used: Requirements proper: in Roman type. IEC 62733:2015 IEC 2015 5 Test specifications: in Italic type. Explanatory matter: in smaller roman type. The committee has decided that the contents of this publication will re
41、main unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 62733:2015 IEC 2015 INTRODUCTION This In
42、ternational Standard provides safety requirements and test methods for programmable components when in electronic lamp controlgear. It provides additional safety requirements for electronic lamp controlgear containing programmable components to the requirements of IEC 61347 series. In general, the t
43、wo means of protection safety principle is used for protection against hazards such as electric shock. Consequently one single fault condition or abnormal operation of the electrical equipment will not lead to a hazardous situation. Until recent technology, two means of protection have been realized
44、 in traditional hardware. Examples are the provision of basic insulation and supplementary insulation between hazardous live parts and accessible parts, and provision of basic insulation combined by disconnection of the mains supply by a fuse. Nowadays however programmable components (with embedded
45、software) may be used as a measure to provide safety under normal conditions, single fault conditions and/or abnormal operation. Since the traditional lighting standards do not provide requirements for programmable components, this standard has been drawn up. This standard recognizes the internation
46、ally accepted level of protection against hazards such as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal use taking into account the manufacturers instructions. It also covers conditions for electromagnetic phenomena that can be expected in practice with
47、 influence on the operation of the programmable component, for taking into account the way this can affect the safe operation of the electronic lamp controlgear. This first edition is based upon IEC 60730-1:2010 and IEC 60335-1:2010 and adapted for electronic lamp controlgear NOTE The terms and defi
48、nitions and Tables A.1 and A.2 respectively of this standard are equivalent to terms and definitions and Table R.1 and R.2 of IEC 60335-1:2010, and equivalent terms and definitions and Table H.1 (class B and class C software) of IEC 60730-1:2010. IEC 62733:2015 IEC 2015 7 PROGRAMMABLE COMPONENTS IN
49、ELECTRONIC LAMP CONTROLGEAR GENERAL AND SAFETY REQUIREMENTS 1 Scope This International Standard provides general and safety requirements for programmable components used in products covered by IEC 61347. The requirements of this standard are only applicable to the programmable components (including its embedded software) in the electronic lamp controlgear. For other electric/electronic circuits and t
